13143026556 has 36 divisors (see below), whose sum is σ = 36242892504. Its totient is φ = 3982735200.

The previous prime is 13143026539. The next prime is 13143026573. The reversal of 13143026556 is 65562034131.

13143026556 is a `hidden beast` number, since 1 + 314 + 30 + 265 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (13143026539) and next prime (13143026573).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×13143026556² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 13143026556.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16594335 + ... + 16595126.

It is an arithmetic number, because the mean of its divisors is an integer number (1006747014).

Almost surely, 2^13143026556 is an apocalyptic number.

It is an amenable number.

13143026556 is an abundant number, since it is smaller than the sum of its proper divisors (23099865948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13143026556 is a wasteful number, since it uses less digits than its factorization.

13143026556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33189482 (or 33189477 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 13143026556 in words is "thirteen billion, one hundred forty-three million, twenty-six thousand, five hundred fifty-six".